For the first one use the graphs below its image to determine the answer For the other 3 answers they must have indicated amount of sig figs and be in kJ/mol!!! What is the initial concentration of A in reaction 2? Give your answer to three decimal places.Reaction 2: A --> BTime (min)In[A]151.22301.16451.10601.04750.98900.921050.861200.801350.741500.68Using the experimental data shown below, calculate the activation energy for the reaction and determine the value of the rate constant at 699 K. Give both answers to3 sig. figs.Temp, °Ck (sec 1)85211.597801.677280.385650.0011Activation Energy =kJ/moleRate constant =sec-1Determine the activation energy (in kJ/mole to four sig. figs.) for the following reaction, given the data below:--> 2 NO2(2) + 1/2 O2(2)Temp, °Ck (M-min 1)654.87E-3551.50E-3454.98E-4351.25E-4253.46E-57.87E-7

We are given set of data of chemical kinetics In 1st question we have to find intial concentration…

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Chemistry

What is the initial concentration of A in reaction 2? Give your answer to three decimal places.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter11: Chemical Kinetics: Rates Of Reactions

Section: Chapter Questions

Problem 39QRT

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Question

For the first one use the graphs below its image to determine the answer

For the other 3 answers they must have indicated amount of sig figs and be in kJ/mol!!!

What is the initial concentration of A in reaction 2? Give your answer to three decimal places.
Reaction 2: A --> B
Time (min)
In[A]
15
1.22
30
1.16
45
1.10
60
1.04
75
0.98
90
0.92
105
0.86
120
0.80
135
0.74
150
0.68
Using the experimental data shown below, calculate the activation energy for the reaction and determine the value of the rate constant at 699 K. Give both answers to
3 sig. figs.
Temp, °C
k (sec 1)
852
11.59
780
1.67
728
0.38
565
0.0011
Activation Energy =
kJ/mole
Rate constant =
sec-1
Determine the activation energy (in kJ/mole to four sig. figs.) for the following reaction, given the data below:
--> 2 NO2(2) + 1/2 O2(2)
Temp, °C
k (M-min 1)
65
4.87E-3
55
1.50E-3
45
4.98E-4
35
1.25E-4
25
3.46E-5
7.87E-7

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